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Finding the Fourth Proportional to 100,509,070.60, 140,904,017.60 and 100,509,070.60

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Solution

The fourth proportional to 100,509,070.60, 140,904,017.60 and 100,509,070.60 is: 140,904,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,070.60 : 140,904,017.60 = 100,509,070.60 : x
  2. Step 2: Convert to fraction form
    100,509,070.60/140,904,017.60 = 100,509,070.60/x
  3. Step 3: Cross multiply
    100,509,070.60x = 140,904,017.60 × 100,509,070.60
  4. Step 4: Simplify right side
    100,509,070.60x = 14,162,131,852,782,042
  5. Step 5: Solve for x
    x = 14,162,131,852,782,042/100,509,070.60
  6. Step 6: Final answer
    x = 140,904,017.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.